A Quick and Simple Dictionary

boom

1. Verb.  To make a loud, resonant sound.
2. Verb.  (transitive) (figuratively, of speech) To exclaim with force, to shout, to thunder.
3. Verb.  (transitive) To make something boom.
4. Noun.  A low-pitched, resonant sound, such as of an explosion.
5. Noun.  One of the calls of certain monkeys..
6. Interjection.  (non-gloss definition, used to suggest the sound of an explosion.) .
7. Noun.  (nautical) A spar extending the foot of a sail; a spar rigged outboard from a ship's side to which boats are secured in harbour.
8. Noun.  A movable pole used to support a microphone or camera.
9. Noun.  A horizontal member of a crane or derrick, used for lifting.
10. Noun.  (electronics) The longest element of a Yagi antenna, on which the other, smaller ones, are transversally mounted.
11. Noun.  A floating barrier used to obstruct navigation, for military or other purposes; or used for the containment of an oil spill.
12. Noun.  A wishbone shaped piece of windsurfing equipment.
13. Noun.  The arm of a crane (mechanical lifting machine).
14. Noun.  The section of the arm on a backhoe closest to the tractor.
15. Noun.  A temporary floating barrier used to contain an oil spill.
16. Noun.  (economics, business) A period of prosperity or high market activity.
17. Verb.  (intransitive) To be prosperous.